diff --git a/src/Compilers/Core/Portable/Text/LinePositionSpan.cs b/src/Compilers/Core/Portable/Text/LinePositionSpan.cs
index 8a192b3bbdfd13918e0ad23001e15524e9e1f71c..81143d65c2307880af740553d98b877cfbe5e85c 100644
--- a/src/Compilers/Core/Portable/Text/LinePositionSpan.cs
+++ b/src/Compilers/Core/Portable/Text/LinePositionSpan.cs
@@ -23,7 +23,7 @@ public LinePositionSpan(LinePosition start, LinePosition end)
         {
             if (end < start)
             {
-                throw new ArgumentException("end", CodeAnalysisResources.EndMustNotBeLessThanStart);
+                throw new ArgumentException(CodeAnalysisResources.EndMustNotBeLessThanStart, nameof(end));
             }
 
             _start = start;
diff --git a/src/Compilers/Test/Utilities/CSharp/Extensions.cs b/src/Compilers/Test/Utilities/CSharp/Extensions.cs
index 07c51fcb12a55ae5254a13d4d8b9fe501ca22843..9e754c558677fa1e11d897be5c5e7bd59f229f19 100644
--- a/src/Compilers/Test/Utilities/CSharp/Extensions.cs
+++ b/src/Compilers/Test/Utilities/CSharp/Extensions.cs
@@ -41,7 +41,7 @@ public static SyntaxNodeOrToken FindNodeOrTokenByKind(this SyntaxTree syntaxTree
         {
             if (!(occurrence > 0))
             {
-                throw new ArgumentException("Specified value must be greater than zero.", "occurrence");
+                throw new ArgumentException("Specified value must be greater than zero.", nameof(occurrence));
             }
             SyntaxNodeOrToken foundNode = default(SyntaxNodeOrToken);
             if (TryFindNodeOrToken(syntaxTree.GetCompilationUnitRoot(), kind, ref occurrence, ref foundNode))
diff --git a/src/Compilers/Test/Utilities/Core2/DirectoryHelper.cs b/src/Compilers/Test/Utilities/Core2/DirectoryHelper.cs
index cf31b3e5fe2f6bcdb47d9c8f07bb33485298943a..36d4d660147f237d45a6c255192bf7a19f480055 100644
--- a/src/Compilers/Test/Utilities/Core2/DirectoryHelper.cs
+++ b/src/Compilers/Test/Utilities/Core2/DirectoryHelper.cs
@@ -16,7 +16,7 @@ public DirectoryHelper(string path)
         {
             if (!Directory.Exists(path))
             {
-                throw new ArgumentException("Directory '" + path + "' does not exist.", "path");
+                throw new ArgumentException("Directory '" + path + "' does not exist.", nameof(path));
             }
 
             _rootPath = path;
diff --git a/src/ExpressionEvaluator/Core/Test/ResultProvider/Debugger/Engine/DkmDataContainer.cs b/src/ExpressionEvaluator/Core/Test/ResultProvider/Debugger/Engine/DkmDataContainer.cs
index fee651892a659f4f59fb3d4eb410386401029c28..0abc35a500d489dc324371bfce2922066b65f99a 100644
--- a/src/ExpressionEvaluator/Core/Test/ResultProvider/Debugger/Engine/DkmDataContainer.cs
+++ b/src/ExpressionEvaluator/Core/Test/ResultProvider/Debugger/Engine/DkmDataContainer.cs
@@ -35,7 +35,7 @@ public abstract class DkmDataContainer
             {
                 if (_dataItems.ContainsKey(key))
                 {
-                    throw new ArgumentException("Data item already exists", "item");
+                    throw new ArgumentException("Data item already exists", nameof(item));
                 }
             }
 
diff --git a/src/Scripting/Core/InteractiveAssemblyLoader.cs b/src/Scripting/Core/InteractiveAssemblyLoader.cs
index 18a621659027d12528814c5c654a73a3cf5f7b70..87f1da989c4ac6afcb0b9ab2c6305915c08b1115 100644
--- a/src/Scripting/Core/InteractiveAssemblyLoader.cs
+++ b/src/Scripting/Core/InteractiveAssemblyLoader.cs
@@ -148,7 +148,7 @@ public AssemblyLoadResult LoadFromPath(string path)
 
             if (!PathUtilities.IsAbsolute(path))
             {
-                throw new ArgumentException("Path must be absolute", "path");
+                throw new ArgumentException("Path must be absolute", nameof(path));
             }
 
             try
diff --git a/src/Scripting/Test/ScriptEngine.cs b/src/Scripting/Test/ScriptEngine.cs
index d4f095362c958e8dee7551641f69687684b11303..39fe0e19a249322b9cb55162c98dc3c8bcca9db6 100644
--- a/src/Scripting/Test/ScriptEngine.cs
+++ b/src/Scripting/Test/ScriptEngine.cs
@@ -303,7 +303,7 @@ internal static void ValidateNamespace(string @namespace)
 
             if (!@namespace.IsValidClrNamespaceName())
             {
-                throw new ArgumentException("Invalid namespace name", "namespace");
+                throw new ArgumentException("Invalid namespace name", nameof(@namespace));
             }
         }
 
diff --git a/src/Test/Utilities/DiagnosticExtensions.cs b/src/Test/Utilities/DiagnosticExtensions.cs
index 9961c0a3c8eef8613a55758b81f6695b1792b27f..89ad18fa523c95dd46bd2cd8556e516bd045681e 100644
--- a/src/Test/Utilities/DiagnosticExtensions.cs
+++ b/src/Test/Utilities/DiagnosticExtensions.cs
@@ -64,7 +64,7 @@ private static void Verify(IEnumerable<Diagnostic> actual, DiagnosticDescription
         {
             if (expected == null)
             {
-                throw new ArgumentException("Must specify expected errors.", "expected");
+                throw new ArgumentException("Must specify expected errors.", nameof(expected));
             }
 
             var unmatched = actual.Select(d => new DiagnosticDescription(d, errorCodeOnly)).ToList();
diff --git a/src/Test/Utilities/TestHelpers.cs b/src/Test/Utilities/TestHelpers.cs
index 392500a8d217ba9b5a2514e4b1b6ec67bb0354f0..83eaad763ed4ca4453091e7edd288e2114f8c987 100644
--- a/src/Test/Utilities/TestHelpers.cs
+++ b/src/Test/Utilities/TestHelpers.cs
@@ -14,7 +14,7 @@ public static IEnumerable<Type> GetAllTypesImplementingGivenInterface(Assembly a
         {
             if (assembly == null || interfaceType == null || !interfaceType.IsInterface)
             {
-                throw new ArgumentException("interfaceType is not an interface.", "interfaceType");
+                throw new ArgumentException("interfaceType is not an interface.", nameof(interfaceType));
             }
 
             return assembly.GetTypes().Where((t) =>